<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>this绑定规则实验</title>
</head>
<body>
    <script>
        function foo() {
            console.log("foo:", this);
        }
        foo();
        var obj = {
            name: "gkd",
            bar: function() {
            console.log("bar:", this);
            }   
        };
        var baz = obj.bar;
        baz();
        function test(fn) {
            fn();
        }
        test(obj.bar);
        
        function foo() {
            "use strict";
            console.log("foo (strict):", this);
        }
        foo();
    </script>
</body>
</html>